xaudio2: Implement the audio mixing thread.
This commit is contained in:
Andrew Eikum
Alexandre Julliard
parent
997843700a
commit
a4fd0a7080
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@ -48,6 +48,7 @@
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WINE_DEFAULT_DEBUG_CHANNEL(xaudio2);
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static ALCdevice *(ALC_APIENTRY *palcLoopbackOpenDeviceSOFT)(const ALCchar*);
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static void (ALC_APIENTRY *palcRenderSamplesSOFT)(ALCdevice*, ALCvoid*, ALCsizei);
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static HINSTANCE instance;
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@ -94,7 +95,8 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD reason, void *pReserved)
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DisableThreadLibraryCalls( hinstDLL );
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if(!alcIsExtensionPresent(NULL, "ALC_SOFT_loopback") ||
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!(palcLoopbackOpenDeviceSOFT = alcGetProcAddress(NULL, "alcLoopbackOpenDeviceSOFT"))){
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!(palcLoopbackOpenDeviceSOFT = alcGetProcAddress(NULL, "alcLoopbackOpenDeviceSOFT")) ||
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!(palcRenderSamplesSOFT = alcGetProcAddress(NULL, "alcRenderSamplesSOFT"))){
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ERR("XAudio2 requires the ALC_SOFT_loopback extension (OpenAL-Soft >= 1.14)\n");
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return FALSE;
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}
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@ -121,6 +123,12 @@ HRESULT WINAPI DllUnregisterServer(void)
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return __wine_unregister_resources(instance);
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}
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typedef struct _XA2Buffer {
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XAUDIO2_BUFFER xa2buffer;
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DWORD offs_bytes;
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UINT32 latest_al_buf;
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} XA2Buffer;
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typedef struct _IXAudio2Impl IXAudio2Impl;
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typedef struct _XA2SourceImpl {
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@ -134,6 +142,8 @@ typedef struct _XA2SourceImpl {
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CRITICAL_SECTION lock;
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WAVEFORMATEX *fmt;
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ALenum al_fmt;
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UINT32 submit_blocksize;
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IXAudio2VoiceCallback *cb;
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@ -142,6 +152,17 @@ typedef struct _XA2SourceImpl {
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BOOL running;
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UINT64 played_frames;
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XA2Buffer buffers[XAUDIO2_MAX_QUEUED_BUFFERS];
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UINT32 first_buf, cur_buf, nbufs, in_al_bytes;
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ALuint al_src;
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/* most cases will only need about 4 AL buffers, but some corner cases
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* could require up to MAX_QUEUED_BUFFERS */
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ALuint al_bufs[XAUDIO2_MAX_QUEUED_BUFFERS];
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DWORD first_al_buf, al_bufs_used;
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struct list entry;
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} XA2SourceImpl;
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@ -179,6 +200,9 @@ struct _IXAudio2Impl {
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CRITICAL_SECTION lock;
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HANDLE engine, mmevt;
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BOOL stop_engine;
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DWORD version;
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struct list source_voices;
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@ -192,6 +216,8 @@ struct _IXAudio2Impl {
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IAudioClient *aclient;
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IAudioRenderClient *render;
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UINT32 period_frames;
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WAVEFORMATEXTENSIBLE fmt;
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ALCdevice *al_device;
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@ -199,6 +225,8 @@ struct _IXAudio2Impl {
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UINT32 ncbs;
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IXAudio2EngineCallback **cbs;
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BOOL running;
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};
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static inline IXAudio2Impl *impl_from_IXAudio2(IXAudio2 *iface)
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@ -422,6 +450,7 @@ static void WINAPI XA2SRC_GetOutputMatrix(IXAudio2SourceVoice *iface,
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static void WINAPI XA2SRC_DestroyVoice(IXAudio2SourceVoice *iface)
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{
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XA2SourceImpl *This = impl_from_IXAudio2SourceVoice(iface);
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ALint processed;
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TRACE("%p\n", This);
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@ -436,8 +465,33 @@ static void WINAPI XA2SRC_DestroyVoice(IXAudio2SourceVoice *iface)
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This->running = FALSE;
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IXAudio2SourceVoice_Stop(iface, 0, 0);
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alSourceStop(This->al_src);
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/* unqueue all buffers */
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alSourcei(This->al_src, AL_BUFFER, AL_NONE);
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alGetSourcei(This->al_src, AL_BUFFERS_PROCESSED, &processed);
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if(processed > 0){
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ALuint al_buffers[XAUDIO2_MAX_QUEUED_BUFFERS];
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alSourceUnqueueBuffers(This->al_src, processed, al_buffers);
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}
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HeapFree(GetProcessHeap(), 0, This->fmt);
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alDeleteBuffers(XAUDIO2_MAX_QUEUED_BUFFERS, This->al_bufs);
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alDeleteSources(1, &This->al_src);
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This->in_al_bytes = 0;
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This->al_bufs_used = 0;
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This->played_frames = 0;
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This->nbufs = 0;
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This->first_buf = 0;
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This->cur_buf = 0;
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LeaveCriticalSection(&This->lock);
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}
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@ -473,6 +527,59 @@ static HRESULT WINAPI XA2SRC_Stop(IXAudio2SourceVoice *iface, UINT32 Flags,
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return S_OK;
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}
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static ALenum get_al_format(const WAVEFORMATEX *fmt)
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{
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WAVEFORMATEXTENSIBLE *fmtex = (WAVEFORMATEXTENSIBLE*)fmt;
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if(fmt->wFormatTag == WAVE_FORMAT_PCM ||
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(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
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IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))){
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switch(fmt->wBitsPerSample){
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case 8:
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switch(fmt->nChannels){
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case 1:
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return AL_FORMAT_MONO8;
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case 2:
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return AL_FORMAT_STEREO8;
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case 4:
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return AL_FORMAT_QUAD8;
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case 6:
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return AL_FORMAT_51CHN8;
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case 7:
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return AL_FORMAT_61CHN8;
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case 8:
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return AL_FORMAT_71CHN8;
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}
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case 16:
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switch(fmt->nChannels){
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case 1:
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return AL_FORMAT_MONO16;
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case 2:
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return AL_FORMAT_STEREO16;
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case 4:
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return AL_FORMAT_QUAD16;
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case 6:
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return AL_FORMAT_51CHN16;
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case 7:
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return AL_FORMAT_61CHN16;
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case 8:
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return AL_FORMAT_71CHN16;
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}
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}
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}else if(fmt->wFormatTag == WAVE_FORMAT_IEEE_FLOAT ||
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(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
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IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))){
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if(fmt->wBitsPerSample == 32){
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switch(fmt->nChannels){
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case 1:
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return AL_FORMAT_MONO_FLOAT32;
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case 2:
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return AL_FORMAT_STEREO_FLOAT32;
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}
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}
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}
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return 0;
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}
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static HRESULT WINAPI XA2SRC_SubmitSourceBuffer(IXAudio2SourceVoice *iface,
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const XAUDIO2_BUFFER *pBuffer, const XAUDIO2_BUFFER_WMA *pBufferWMA)
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{
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@ -1243,6 +1350,13 @@ static ULONG WINAPI IXAudio2Impl_Release(IXAudio2 *iface)
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XA2SourceImpl *src, *src2;
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XA2SubmixImpl *sub, *sub2;
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if(This->engine){
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This->stop_engine = TRUE;
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SetEvent(This->mmevt);
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WaitForSingleObject(This->engine, INFINITE);
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CloseHandle(This->engine);
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}
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LIST_FOR_EACH_ENTRY_SAFE(src, src2, &This->source_voices, XA2SourceImpl, entry){
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HeapFree(GetProcessHeap(), 0, src->sends);
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IXAudio2SourceVoice_DestroyVoice(&src->IXAudio2SourceVoice_iface);
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@ -1265,6 +1379,8 @@ static ULONG WINAPI IXAudio2Impl_Release(IXAudio2 *iface)
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HeapFree(GetProcessHeap(), 0, This->devids);
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HeapFree(GetProcessHeap(), 0, This->cbs);
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CloseHandle(This->mmevt);
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DeleteCriticalSection(&This->lock);
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HeapFree(GetProcessHeap(), 0, This);
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@ -1388,6 +1504,15 @@ static HRESULT WINAPI IXAudio2Impl_CreateSourceVoice(IXAudio2 *iface,
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src->cb = pCallback;
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src->al_fmt = get_al_format(pSourceFormat);
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if(!src->al_fmt){
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src->in_use = FALSE;
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WARN("OpenAL can't convert this format!\n");
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return AUDCLNT_E_UNSUPPORTED_FORMAT;
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}
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src->submit_blocksize = pSourceFormat->nBlockAlign;
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src->fmt = copy_waveformat(pSourceFormat);
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hr = XA2SRC_SetOutputVoices(&src->IXAudio2SourceVoice_iface, pSendList);
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@ -1396,6 +1521,11 @@ static HRESULT WINAPI IXAudio2Impl_CreateSourceVoice(IXAudio2 *iface,
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return hr;
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}
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alGenSources(1, &src->al_src);
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alGenBuffers(XAUDIO2_MAX_QUEUED_BUFFERS, src->al_bufs);
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alSourcePlay(src->al_src);
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if(This->version == 27)
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*ppSourceVoice = (IXAudio2SourceVoice*)&src->IXAudio27SourceVoice_iface;
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else
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@ -1485,6 +1615,7 @@ static HRESULT WINAPI IXAudio2Impl_CreateMasteringVoice(IXAudio2 *iface,
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HRESULT hr;
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WAVEFORMATEX *fmt;
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ALCint attrs[7];
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REFERENCE_TIME period;
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TRACE("(%p)->(%p, %u, %u, 0x%x, %s, %p, 0x%x)\n", This,
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ppMasteringVoice, inputChannels, inputSampleRate, flags,
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@ -1580,6 +1711,22 @@ static HRESULT WINAPI IXAudio2Impl_CreateMasteringVoice(IXAudio2 *iface,
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goto exit;
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}
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hr = IAudioClient_GetDevicePeriod(This->aclient, &period, NULL);
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if(FAILED(hr)){
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WARN("GetDevicePeriod failed: %08x\n", hr);
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hr = XAUDIO2_E_DEVICE_INVALIDATED;
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goto exit;
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}
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This->period_frames = MulDiv(period, inputSampleRate, 10000000);
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hr = IAudioClient_SetEventHandle(This->aclient, This->mmevt);
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if(FAILED(hr)){
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WARN("Initialize failed: %08x\n", hr);
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hr = XAUDIO2_E_DEVICE_INVALIDATED;
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goto exit;
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}
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hr = IAudioClient_GetService(This->aclient, &IID_IAudioRenderClient,
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(void**)&This->render);
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if(FAILED(hr)){
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@ -1675,20 +1822,29 @@ exit:
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return hr;
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}
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static DWORD WINAPI engine_threadproc(void *arg);
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static HRESULT WINAPI IXAudio2Impl_StartEngine(IXAudio2 *iface)
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{
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IXAudio2Impl *This = impl_from_IXAudio2(iface);
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FIXME("(%p)->(): stub!\n", This);
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TRACE("(%p)->()\n", This);
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return E_NOTIMPL;
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This->running = TRUE;
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if(!This->engine)
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This->engine = CreateThread(NULL, 0, engine_threadproc, This, 0, NULL);
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return S_OK;
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}
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static void WINAPI IXAudio2Impl_StopEngine(IXAudio2 *iface)
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{
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IXAudio2Impl *This = impl_from_IXAudio2(iface);
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FIXME("(%p)->(): stub!\n", This);
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TRACE("(%p)->()\n", This);
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This->running = FALSE;
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}
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static HRESULT WINAPI IXAudio2Impl_CommitChanges(IXAudio2 *iface,
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@ -2094,6 +2250,7 @@ static HRESULT WINAPI XAudio2CF_CreateInstance(IClassFactory *iface, IUnknown *p
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list_init(&object->source_voices);
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list_init(&object->submix_voices);
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object->mmevt = CreateEventW(NULL, FALSE, FALSE, NULL);
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InitializeCriticalSection(&object->lock);
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object->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": IXAudio2Impl.lock");
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@ -2112,6 +2269,8 @@ static HRESULT WINAPI XAudio2CF_CreateInstance(IClassFactory *iface, IUnknown *p
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object->ncbs = 4;
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object->cbs = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, object->ncbs * sizeof(*object->cbs));
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IXAudio2_StartEngine(&object->IXAudio2_iface);
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return hr;
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}
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@ -2145,3 +2304,184 @@ HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
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return IClassFactory_QueryInterface(factory, riid, ppv);
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}
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/* returns TRUE if there is more data avilable in the buffer, FALSE if the
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* buffer's data has all been queued */
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static BOOL xa2buffer_queue_period(XA2SourceImpl *src, XA2Buffer *buf, ALuint al_buf)
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{
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UINT32 submit_bytes;
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const BYTE *submit_buf = NULL;
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if(buf->offs_bytes >= buf->xa2buffer.AudioBytes){
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WARN("Shouldn't happen: Trying to push frames from a spent buffer?\n");
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return FALSE;
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}
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submit_bytes = min(src->xa2->period_frames * src->submit_blocksize, buf->xa2buffer.AudioBytes - buf->offs_bytes);
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submit_buf = buf->xa2buffer.pAudioData + buf->offs_bytes;
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buf->offs_bytes += submit_bytes;
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alBufferData(al_buf, src->al_fmt, submit_buf, submit_bytes,
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src->fmt->nSamplesPerSec);
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alSourceQueueBuffers(src->al_src, 1, &al_buf);
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src->in_al_bytes += submit_bytes;
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src->al_bufs_used++;
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buf->latest_al_buf = al_buf;
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TRACE("queueing %u bytes, now %u in AL\n", submit_bytes, src->in_al_bytes);
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return buf->offs_bytes < buf->xa2buffer.AudioBytes;
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}
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static void update_source_state(XA2SourceImpl *src)
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{
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int i;
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ALint processed;
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ALint bufpos;
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alGetSourcei(src->al_src, AL_BUFFERS_PROCESSED, &processed);
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if(processed > 0){
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ALuint al_buffers[XAUDIO2_MAX_QUEUED_BUFFERS];
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alSourceUnqueueBuffers(src->al_src, processed, al_buffers);
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src->first_al_buf += processed;
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src->first_al_buf %= XAUDIO2_MAX_QUEUED_BUFFERS;
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src->al_bufs_used -= processed;
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for(i = 0; i < processed; ++i){
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ALint bufsize;
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alGetBufferi(al_buffers[i], AL_SIZE, &bufsize);
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src->in_al_bytes -= bufsize;
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src->played_frames += bufsize / src->submit_blocksize;
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if(al_buffers[i] == src->buffers[src->first_buf].latest_al_buf){
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DWORD old_buf = src->first_buf;
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src->first_buf++;
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src->first_buf %= XAUDIO2_MAX_QUEUED_BUFFERS;
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src->nbufs--;
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TRACE("%p: done with buffer %u\n", src, old_buf);
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if(src->cb){
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IXAudio2VoiceCallback_OnBufferEnd(src->cb,
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src->buffers[old_buf].xa2buffer.pContext);
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if(src->nbufs > 0)
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IXAudio2VoiceCallback_OnBufferStart(src->cb,
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src->buffers[src->first_buf].xa2buffer.pContext);
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}
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}
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}
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}
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alGetSourcei(src->al_src, AL_BYTE_OFFSET, &bufpos);
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/* maintain 4 periods in AL */
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while(src->cur_buf != (src->first_buf + src->nbufs) % XAUDIO2_MAX_QUEUED_BUFFERS &&
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src->in_al_bytes - bufpos < 4 * src->xa2->period_frames * src->submit_blocksize){
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TRACE("%p: going to queue a period from buffer %u\n", src, src->cur_buf);
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/* starting from an empty buffer */
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if(src->cb && src->cur_buf == src->first_buf && src->buffers[src->cur_buf].offs_bytes == 0)
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IXAudio2VoiceCallback_OnBufferStart(src->cb,
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src->buffers[src->first_buf].xa2buffer.pContext);
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if(!xa2buffer_queue_period(src, &src->buffers[src->cur_buf],
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src->al_bufs[(src->first_al_buf + src->al_bufs_used) % XAUDIO2_MAX_QUEUED_BUFFERS])){
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/* buffer is spent, move on */
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src->cur_buf++;
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src->cur_buf %= XAUDIO2_MAX_QUEUED_BUFFERS;
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}
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}
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}
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static void do_engine_tick(IXAudio2Impl *This)
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{
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BYTE *buf;
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XA2SourceImpl *src;
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HRESULT hr;
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UINT32 nframes, i, pad;
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/* maintain up to 3 periods in mmdevapi */
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hr = IAudioClient_GetCurrentPadding(This->aclient, &pad);
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if(FAILED(hr)){
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WARN("GetCurrentPadding failed: 0x%x\n", hr);
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return;
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}
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nframes = This->period_frames * 3 - pad;
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TRACE("going to render %u frames\n", nframes);
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if(!nframes)
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return;
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for(i = 0; i < This->ncbs && This->cbs[i]; ++i)
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IXAudio2EngineCallback_OnProcessingPassStart(This->cbs[i]);
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LIST_FOR_EACH_ENTRY(src, &This->source_voices, XA2SourceImpl, entry){
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ALint st = 0;
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EnterCriticalSection(&src->lock);
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if(!src->in_use || !src->running){
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LeaveCriticalSection(&src->lock);
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continue;
|
||||
}
|
||||
|
||||
if(src->cb)
|
||||
/* TODO: detect incoming underrun and inform callback */
|
||||
IXAudio2VoiceCallback_OnVoiceProcessingPassStart(src->cb, 0);
|
||||
|
||||
update_source_state(src);
|
||||
|
||||
alGetSourcei(src->al_src, AL_SOURCE_STATE, &st);
|
||||
if(st != AL_PLAYING)
|
||||
alSourcePlay(src->al_src);
|
||||
|
||||
if(src->cb)
|
||||
IXAudio2VoiceCallback_OnVoiceProcessingPassEnd(src->cb);
|
||||
|
||||
LeaveCriticalSection(&src->lock);
|
||||
}
|
||||
|
||||
hr = IAudioRenderClient_GetBuffer(This->render, nframes, &buf);
|
||||
if(FAILED(hr))
|
||||
WARN("GetBuffer failed: %08x\n", hr);
|
||||
|
||||
palcRenderSamplesSOFT(This->al_device, buf, nframes);
|
||||
|
||||
hr = IAudioRenderClient_ReleaseBuffer(This->render, nframes, 0);
|
||||
if(FAILED(hr))
|
||||
WARN("ReleaseBuffer failed: %08x\n", hr);
|
||||
|
||||
for(i = 0; i < This->ncbs && This->cbs[i]; ++i)
|
||||
IXAudio2EngineCallback_OnProcessingPassEnd(This->cbs[i]);
|
||||
}
|
||||
|
||||
static DWORD WINAPI engine_threadproc(void *arg)
|
||||
{
|
||||
IXAudio2Impl *This = arg;
|
||||
while(1){
|
||||
WaitForSingleObject(This->mmevt, INFINITE);
|
||||
|
||||
if(This->stop_engine)
|
||||
break;
|
||||
|
||||
if(!This->running)
|
||||
continue;
|
||||
|
||||
EnterCriticalSection(&This->lock);
|
||||
|
||||
do_engine_tick(This);
|
||||
|
||||
LeaveCriticalSection(&This->lock);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue